Cisco 1700 Series Specifications download pdf (Page 35)

CHAPTER

2-1

Cisco 1700 Series Router Software Configuration Guide

78-5407-03

Configuring Security Features

This chapter presents basic configuration procedures for security features in the

Cisco 1700 series routers. For a full description of these features and their

configurations, please refer to the Cisco IOS command references and

configuration guides for Cisco IOS Release 12.2.

This chapter contains the following sections:

• Configuring IP Security

• Configuring a Virtual Private Dial-Up Network

• Configuring Firewalls

Configuring IP Security

IP Security (IPSec) is a framework of open standards for ensuring secure private

communications over IP networks. Based on standards developed by the Internet

Engineering Task Force (IETF), IPSec ensures confidentiality, integrity, and

authenticity of data communications across a public IP network. Cisco’s

realization of IPSec implements the Data Encryption Standard (DES) and triple

DES (3DES).

Refer to the Cisco IOS Security Configuration Guide, Release 12.2, for more

detailed information on IPSec.

Perform the following tasks to configure IPSec. Start in global configuration

mode.

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Cisco 1700 Series Specifications Page 35